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Cryptography Jobs
Cryptography is the science of protecting sensitive information by transforming it into a code that is illegible to unauthorized users. Cryptographers use mathematics and computer algorithms to create cryptographic protocols and encryption techniques that allow data to be kept secure, in the same way a safe can be used to protect valuables from theft or destruction. Cryptographers are technology professionals specifically trained in the art and science of encrypting digital information, making them extremely valuable assets for businesses, governments, researchers and individuals looking to protect their sensitive data.
The demand for expert Cryptographers has grown significantly in recent years, as new laws have been introduced regulating data security and protection, forcing businesses of all types to recognize the importance of safeguarding sensitive information. As such, Cryptography has become an essential tool in a variety of industries, from healthcare to finance, marketing, law and many others.
Here’s some projects that our expert Cryptographers have made real:
- Creating presentations around cryptography
- Translating coding languages relevant to cryptography
- Constructing comparison studies between different cryptographic algorithms
- Developing secure network communication protocols through Diffie-Hellman key exchange and AES encryption
- Enveloping, signing and creating digital messages with .pfx certificates
- Extracting font names from documents written in Cyrillic
- Deconstructing cryptosmt tool - Ascon cipher – changing from 5 to 4 size s-box
- Simulating cryptocurrency risk levels
- Decrypting digital files using PGP private keys
By hiring a Cryptographer through Freelancer.com on your projects you can ensure that your data remains secure, be it for a simple encryption project or something more complex such as building secure communication networks between multiple users. If you have a project requiring specialist cryptographic support then post it today on Freelancer.com and hire one of our experts to bring your project to life.
From 18,914 reviews, clients rate our Cryptographers 4.94 out of 5 stars.Hire Cryptographers
Cryptography is the science of protecting sensitive information by transforming it into a code that is illegible to unauthorized users. Cryptographers use mathematics and computer algorithms to create cryptographic protocols and encryption techniques that allow data to be kept secure, in the same way a safe can be used to protect valuables from theft or destruction. Cryptographers are technology professionals specifically trained in the art and science of encrypting digital information, making them extremely valuable assets for businesses, governments, researchers and individuals looking to protect their sensitive data.
The demand for expert Cryptographers has grown significantly in recent years, as new laws have been introduced regulating data security and protection, forcing businesses of all types to recognize the importance of safeguarding sensitive information. As such, Cryptography has become an essential tool in a variety of industries, from healthcare to finance, marketing, law and many others.
Here’s some projects that our expert Cryptographers have made real:
- Creating presentations around cryptography
- Translating coding languages relevant to cryptography
- Constructing comparison studies between different cryptographic algorithms
- Developing secure network communication protocols through Diffie-Hellman key exchange and AES encryption
- Enveloping, signing and creating digital messages with .pfx certificates
- Extracting font names from documents written in Cyrillic
- Deconstructing cryptosmt tool - Ascon cipher – changing from 5 to 4 size s-box
- Simulating cryptocurrency risk levels
- Decrypting digital files using PGP private keys
By hiring a Cryptographer through Freelancer.com on your projects you can ensure that your data remains secure, be it for a simple encryption project or something more complex such as building secure communication networks between multiple users. If you have a project requiring specialist cryptographic support then post it today on Freelancer.com and hire one of our experts to bring your project to life.
From 18,914 reviews, clients rate our Cryptographers 4.94 out of 5 stars.Hire Cryptographers
Crypto Flash Education Software
2 days left
Verified
I’m putting together a “flash-style” application that lets adult learners explore core cryptocurrency concepts in a classroom setting. The aim is to keep everything simple enough for first-time students yet authentic enough that they see real-world mechanics in action. Here’s what I need the build to cover: • Data encryption built in from the ground up so students can encrypt and decrypt sample strings and immediately view the results. • Basic blockchain integration that spins up a local test chain, writes a few dummy transactions, and then visualises block creation. • A small, self-contained wallet module that can generate keys, sign test transactions, and show balances—all within the local sandbox, no live coins involved. The tool only ...
$1095
Average bid
Advanced Backend Engineering & AI Automation
2 days left
Verified
# Lead Backend Engineers & AI Automation Architects (Enterprise-Grade) ## Project Overview We are the engineering team behind RailCall, a governance-first automation layer for AI-driven workflows. We are seeking elite backend engineers and systems architects to help us build out advanced, enterprise-grade local agent programs and secure integrations. We have secured a $10,000 development budget for this specific architectural phase. We are looking to award milestone contracts to developers who can solve complex orchestration problems using our cryptographic execution engine. ## Core Development Focus Rather than simple API wrappers, this phase is dedicated to heavy backend engineering: **1. Secure Local Agent Programs** Building complex, autonomous agent workflows that execute stri...
$8827
Average bid
--- I have a fantasy-themed puzzle image titled "The Tenfold Atlas" that needs solving. It contains 20 letters scattered across 5 terrain regions (Ice, Fire, Land, Forest, Water), each region holding exactly 4 letters. The goal is to select 2 letters from each region, in the sequence Ice → Fire → Land → Forest → Water, to reveal a hidden 10-letter message/word. **What I've already figured out:** - All 20 letters and their region groupings are identified - 2 of the 5 stone tablets in the image contain real, translated text (Latin: *"He who is not born does not reign"* and Russian: *"One points, the other conceals"*) - The other 3 tablets (styled as Arabic, Japanese, and an unknown script) appear to be decorative/non-linguistic —...
$516
Average bid
Build API Integrations & Automation Workflows (Multiple Developers Needed)
1 day left
Verified
>> Senior Integration Developers & Workflow Automation Engineers (Multiple Hires) - >> Project Overview We are the core engineering team behind RailCall, a governance-first automation layer for AI-driven workflows. Every action an AI agent takes on our platform goes through a strict `preview -> approve -> execute -> signed receipt` loop (the "cryptographic airlock"), ensuring enterprise-grade security. We are currently expanding our ecosystem and are looking to hire multiple talented developers to build local-first agent tools, UX upgrades, and integration workflows on the RailCall Engine. We have a total budget of $5,000 allocated for this phase of development, and we will be awarding contracts to the best developers across four specific tracks. ->...
$3887
Average bid
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